ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 13, 2024
Abstract
The
abundant,
active,
and
acidic‐stable
catalysts
for
the
oxygen
evolution
reaction
(OER)
are
rare
to
proton
exchange
membrane‐based
water
electrolysis.
Mn‐based
materials
show
promise
as
electrocatalysts
OER
in
acid
electrolytes.
However,
relationship
between
stability,
activity
structure
of
acidic
environments
remains
unclear.
In
this
study,
phase‐pure
MnSb
2
O
6
was
successfully
prepared
investigated
a
catalyst
sulfuric
solution
(pH
2.0).
A
comprehensive
mechanistic
comparison
Mn
3
4
revealed
that
rate‐determining
step
on
is
direct
formation
IV
=O
from
II
−H
by
2H
+
/2e
−
process.
This
process
avoids
rearrangement
adjacent
III
intermediates,
leading
outstanding
stability
activity.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(6), P. 1808 - 1808
Published: March 11, 2024
Dimetridazole
(DMZ),
a
nitroimidazole
derivative,
is
notable
antibiotic
that
has
garnered
growing
interest
in
the
medical
community
owing
to
its
noteworthy
pharmacological
and
toxicological
properties.
Increasing
being
directed
toward
developing
high-performance
sensors
for
continuous
monitoring
of
DMZ
food
samples.
This
research
investigated
an
electrochemical
sensor-based
nano-sized
ErVO4
attached
sheet-like
g-CN-coated
glassy
carbon
electrode
determine
dimetridazole
(DMZ).
The
chemical
structure
morphological
characterization
synthesized
ErVO4@g-CN
were
analyzed
with
XRD,
FTIR,
TEM,
EDS.
Irregular
shapes
nanoparticles
are
approximately
15
nm.
Cyclic
voltammetry
(CV)
differential
pulse
(DPV)
followed
examine
performance
pH
7
phosphate
buffer
solution
higher
performance.
sensor
showed
low
detection
limit
(LOD)
1
nM
over
wide
linear
range
0.5
863.5
µM.
Also,
selectivity,
stability,
repeatability,
reproducibility
studies
investigated.
Furthermore,
this
was
applied
real-time
milk
sample
analysis
analytes.
Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(4), P. 047512 - 047512
Published: April 1, 2024
We
began
with
an
exploration
of
a
novel
method
for
non-enzymatic
glucose
sensing
through
the
direct
electrochemical
oxidation
process
using
annealed
Nickel
carbide
(Ni
3
C)
modified
glassy
carbon
electrode
(GCE).
cover
synthesis
and
detailed
characterization
Ni
C,
modification
electrode,
its
application
in
electrocatalytic
detection
human
blood
urine
samples.
known
high
charge
transfer
efficiency,
exceptional
stability
harsh
environments,
outstanding
activity,
was
prepared
annealing
method.
The
produced
characterized
by
nanoplate
structure
ranging
from
20
to
50
nanometers,
applied
GCE
benefit
extensive
surface
area
structural
robustness.
Electrochemical
impedance
spectroscopy
cyclic
voltammetry
confirmed
superior
properties
capabilities
C/GCE
over
unmodified
GCE.
achieved
on
showcasing
linear
range
0.05
2236
μ
M
impressively
low
limit
0.0186
M.
This
research
underscores
effectiveness
as
durable,
efficient,
reliable
tools
glucose,
providing
new
prospects
diabetes
monitoring.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(12), P. 14372 - 14379
Published: June 12, 2024
Emerging
global
carbon
monoxide
(CO)
emissions
directly
affect
warming
and
modify
atmospheric
chemistry.
The
entreaty
for
benchmark
heterogeneous
oxidation
of
CO
into
CO2
is
a
substantial
efficient
strategy
to
reduce
CO.
Heterogeneous
popular
because
it
accelerates
chemical
reactions.
In
this
work,
the
rational
framework
synthesizing
nanocatalyst
Pt–CeO2
by
hydrothermal
leaching
AlCe-Ptx
intermetallic
compound
subjecting
heat
treatments
in
H2/N2
atmosphere.
After
leaching,
contact
between
active
sites
contributes
enhanced
catalytic
performance
on
conversion.
Further,
various
spectroscopic
microscopic
methods
analyzed
prepared
material's
structural
microstructure
characteristics.
inclusion
noble
Pt
metal
alters
surface
properties
nanocatalyst.
activity
due
their
higher
thermal
stability,
strength,
metal–support
interaction,
well-defined
structures
have
noticeable
effect
process.
These
factors
caused
high
area
less
crystallite
size,
achieving
100%
conversion
at
low
temperatures.
Hence,
obtained
outcomes
bear
practical
relevance
developing
perspectives
energy-storage
applications.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 13, 2024
Abstract
The
abundant,
active,
and
acidic‐stable
catalysts
for
the
oxygen
evolution
reaction
(OER)
are
rare
to
proton
exchange
membrane‐based
water
electrolysis.
Mn‐based
materials
show
promise
as
electrocatalysts
OER
in
acid
electrolytes.
However,
relationship
between
stability,
activity
structure
of
acidic
environments
remains
unclear.
In
this
study,
phase‐pure
MnSb
2
O
6
was
successfully
prepared
investigated
a
catalyst
sulfuric
solution
(pH
2.0).
A
comprehensive
mechanistic
comparison
Mn
3
4
revealed
that
rate‐determining
step
on
is
direct
formation
IV
=O
from
II
−H
by
2H
+
/2e
−
process.
This
process
avoids
rearrangement
adjacent
III
intermediates,
leading
outstanding
stability
activity.
